name: Emojis Auto Update

on:
  schedule:
    - cron: "0 0 * * 1,4"
  workflow_dispatch:

jobs:
  emojis-autoupdate:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Install the latest version of uv
      uses: astral-sh/setup-uv@v6

    - name: Sync UV
      run: uv sync

    - name: Create or Checkout Branch
      id: branch
      run: |
        # Create a new branch name with timestamp
        NEW_BRANCH_NAME="emojis-autoupdate-$(date +%s)"
        
        # Check for existing branches
        git fetch origin
        EXISTING_BRANCH=$(git branch -r | grep "origin/emojis-autoupdate-" || true)
        
        if [ -z "$EXISTING_BRANCH" ]; then
          # No existing branch, create a new one
          echo "Creating new branch: $NEW_BRANCH_NAME"
          git checkout -b $NEW_BRANCH_NAME
          BRANCH_NAME=$NEW_BRANCH_NAME
        else
          # Found existing branch, extract name without "origin/"
          BRANCH_NAME=$(echo $EXISTING_BRANCH | sed 's|origin/||' | tr -d '[:space:]')
          echo "Found existing branch: $BRANCH_NAME"
          
          # Create a local tracking branch
          git checkout -b $BRANCH_NAME --track origin/$BRANCH_NAME || git checkout -b $BRANCH_NAME
          
          # If that fails, fall back to new branch
          if [ $? -ne 0 ]; then
            echo "Failed to checkout existing branch, creating new: $NEW_BRANCH_NAME"
            git checkout -b $NEW_BRANCH_NAME
            BRANCH_NAME=$NEW_BRANCH_NAME
          fi
        fi
        
        echo "Using branch: $BRANCH_NAME"
        echo "branch_name=$BRANCH_NAME" >> $GITHUB_ENV

    - name: Run UV Python Script
      id: run_script
      run: |
        uv run src
        EXIT_CODE=$?
        echo "exit_code=$EXIT_CODE" >> $GITHUB_ENV
        if [ $EXIT_CODE -eq 0 ]; then
          echo "changes_detected=true" >> $GITHUB_ENV
        elif [ $EXIT_CODE -eq 2 ]; then
          echo "changes_detected=false" >> $GITHUB_ENV
        else
          echo "Script failed with exit code $EXIT_CODE"
          exit $EXIT_CODE
        fi

    - name: Commit and Push Changes
      if: env.changes_detected == 'true'
      run: |
        git add build/*
        git commit -m "Emojis autoupdate"
        git push --force origin ${{ env.branch_name }}

    - name: Open Pull Request
      if: env.changes_detected == 'true'
      uses: peter-evans/create-pull-request@v5
      with:
        branch: ${{ env.branch_name }}
        title: "Emojis autoupdate"
        body: "This PR updates the emojis based on the latest datamining changes."
        base: master
        commit-message: "Emojis autoupdate"